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146 results on '"Iberer, Florian"'

1. Immediate and Long-Term Effects of Hyperbaric Oxygenation in Patients with Long COVID-19 Syndrome Using SF-36 Survey and VAS Score: A Clinical Pilot Study

Author

Lindenmann, Joerg, primary, Porubsky, Christian, additional, Okresa, Lucija, additional, Klemen, Huberta, additional, Mykoliuk, Iurii, additional, Roj, Andrej, additional, Koutp, Amir, additional, Kink, Eveline, additional, Iberer, Florian, additional, Kovacs, Gabor, additional, Krause, Robert, additional, Smolle, Josef, additional, and Smolle-Juettner, Freyja Maria, additional

Published
2023
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9. Computerized heart allograft-recipient monitoring: a multicenter study

Author

Grasser, Barbara, Iberer, Florian, Schreier, Günter, Kastner, Peter, Schaffellner, Silvia, Kniepeiss, Daniela, Kleinert, Reinhold, Mahaux, Veronique, Demoulin, Jean Claude, Nägele, Herbert, Rödiger, Wilfried, Laufer, Günther, Grimm, Michael, Zuckermann, Andreas, Wasler, Andre, Prenner, Günther, and Tscheliessnigg, Karl-Heinz

Published
2003
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31. Immunohistochemical and radiological characterization of wound healing in porcine liver after radiofrequency ablation

Author

Stadlbauer, Vanessa, Lang-Olip, Ingrid, Leber, Bettina, Mayrhauser, Ursula, Koestenbauer, Sonja, Tawdrous, Monika, Moche, Michael, Sereinigg, Michael, Seider, Daniel, Iberer, Florian, Wiederstein-Grasser, Iris, Horst Portugaller, Rupert, and Stiegler, Philipp

Subjects
Healthy pig, surgical procedures, operative, Liver, 6 - Ciencias aplicadas::61 - Medicina::616 - Patología. Medicina clínica. Oncología [CDU], Radiofrequency ablation, Wound healing, therapeutics, Immunohistochemistry
Abstract

Background: Radiofrequency ablation (RFA) is a minimal invasive therapeutic option for patients with hepatocellular carcinoma or liver metastases. We investigated RFA-induced cellular changes in the liver of pigs. Material and Methods: Healthy pigs (n=18) were sacrificed between day 0 and 3 months after RFA. The wound healing process was evaluated by computed tomography (CT), chromotrope anilinblue (CAB) staining of large-scale and standard tissue sections. Immunohistochemistry (IHC) for heat shock protein 70, Caspase-3, Ki67, Reelin, Vinculin, Vimentin and αSMA was perfomed. Results: One day after RFA, CAB staining showed cell damage and massive hyperaemia. All IHC markers were predominantly expressed at the outer borders of the lesion, except Reelin, which was mainly detected in untreated liver regions. By staining for Hsp70, the heat stress during RFA was monitored, which was most distinct 1-2 days after RFA. CT revealed decreased lesion size after one week. Development of a Vimentin and α-SMA positive fibrotic capsule was observed. Conclusion: In the early phase signs of cell damage, apoptosis and proliferation are dominant. Reduced expression of Reelin suggests a minor role of hepatic stellate cells in the RFA zone. After one week myofibroblasts become prominent and contribute to the development of the fibrotic capsule. This elucidates the pathophysiology of RFA and could contribute to the future optimization of RFA procedures.

Published
2016

32. StudentInnen arbeiten an PatientInnen - Ein Widerspruch? Praktische Ausbildung der Studierenden im 6. Studienjahr an der Klinischen Abteilung für Thorax- und Hyperbare Chirurgie der Universitätsklinik für Chirurgie Graz, MUG

Author

Matzi, Veronika, Wagner, Doris, Manhal, Simone, Caluba, Hans-Christian, Iberer, Florian, and Smolle-Jüttner, Freyja

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

[for full text, please go to the a.m. URL], 15. Grazer Konferenz – Qualität der Lehre: Teaching and Learning – expanding our resources

Published
2012
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33. Chirurgie und OSKE - ein Widerspruch?

Author

Kniepeiss, Daniela, Wagner, Doris, Manhal, Simone, Tscheliessnigg, Karl-Heinz, and Iberer, Florian

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

[for full text, please go to the a.m. URL], 14. Grazer Konferenz – Qualität der Lehre: New Horizons in Teaching and Learning

Published
2010

34. Enzymes of the vitamin K cycle and progression of calcification in the vessel wall

Author

Schweighofer, Natascha, primary, Aigelsreiter, Ariane, additional, Trummer, Olivia, additional, Graf-Rechberger, Martina, additional, Hacker, Nicole, additional, Iberer, Florian, additional, Wagner, Doris, additional, Kniepeiss, Daniela, additional, Stiegler, Philipp, additional, Pieber, Thomas, additional, Muller, Helmut, additional, and Obermayer-Pietsch, Barbara, additional

Published
2015
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35. Effectiveness of porcine dermal collagen in giant hernia closure in patients with deleterious fascia constitution after orthotopic liver transplantation

Author

Werkgartner, Georg, primary, Cerwenka, Herwig, additional, Rappl, Thomas, additional, Kniepeiss, Daniela, additional, Kornprat, Peter, additional, Iberer, Florian, additional, Bacher, Heinz, additional, Wagner, Mathias, additional, Mischinger, Hans J., additional, and Wagner, Doris, additional

Published
2014
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36. Influence of retrograde flushing via the caval vein on the post-reperfusion syndrome in liver transplantation

Author

Zink Michael, Schaffellner Silvia, Tscheliessnigg Karl-Heinz, Jakoby Estrella, Iberer Florian, Duller Doris, and Kniepeiss Daniela

Subjects
Adult, Male, Mean arterial pressure, medicine.medical_treatment, Hemodynamics, Vena Cava, Inferior, Liver transplantation, Postoperative Complications, medicine, Humans, Vein, Aged, Retrospective Studies, Transplantation, Vascular disease, business.industry, Syndrome, Middle Aged, medicine.disease, Liver Transplantation, medicine.anatomical_structure, Anesthesia, Circulatory system, Reperfusion, Female, business, Blood vessel
Abstract

Introduction: The reperfusion phase during orthotopic liver transplantation (LTX) is a critical event with sometimes profound hemodynamic and cardiac changes. We present the influence of retrograde reperfusion in LTX on the post-reperfusion syndrome (PRS). Methods: Fifty-six LTXs in 53 patients were performed with the piggy-back technique with retrograde reperfusion via the caval vein and antegrade reperfusion via the portal vein. The incidence of PRS was evaluated. Results: We observed a PRS in two patients (3.6%), four patients (7.1%) had a decrease in mean arterial pressure (MAP) of 20–29%, 18 patients (32.2%) of 10–19%, 27 patients (48.2%) of 1–9% and five patients (8.9%) had a small increase in MAP. Discussion: Our retrospective study showed that retrograde reperfusion seems to maintain stability during the reperfusion phase. Hemodynamic disturbances during LTX were uncommon, leading us to suppose that the incidence of PRS could be diminished with retrograde reperfusion.

Published
2004

37. Gene expression in vascular calcification: are there differences between atherosclerotic changes and media sclerosis?

Author

Schweighofer, Natascha, primary, Aigelsreiter, Ariane, additional, Graf-Rechberger, Martina, additional, Hacker, Nicole, additional, Iberer, Florian, additional, Kniepeiss, Daniela, additional, Wagner, Doris, additional, Stiegler, Philipp, additional, Gutschi, Jurgen, additional, Trummer, Olivia, additional, Sinner, Frank, additional, Pieber, Thomas, additional, Muller, Helmut, additional, and Obermayer-Pietsch, Barbara, additional

Published
2014
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38. Vascular calcification: differences between atherosclerotic changes and media sclerosis? A pilot study

Author

Schweighofer, Natascha, primary, Aigelsreiter, Ariane, additional, Graf-Rechberger, Martina, additional, Hacker, Nicole, additional, Iberer, Florian, additional, Kniepeiss, Daniela, additional, Wagner, Doris, additional, Stiegler, Philipp, additional, Gutschi, Jurgen, additional, Trummer, Olivia, additional, Sinner, Frank, additional, Pieber, Thomas, additional, Muller, Helmut, additional, and Obermayer-Pietsch, Barbara, additional

Published
2014
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40. Oxidative stress and apoptosis in a pig model of brain death (BD) and living donation (LD)

Author

Stiegler, Philipp, primary, Sereinigg, Michael, additional, Puntschart, Andreas, additional, Bradatsch, Andrea, additional, Seifert-Held, Thomas, additional, Wiederstein-Grasser, Iris, additional, Leber, Bettina, additional, Stadelmeyer, Elke, additional, Dandachi, Nadia, additional, Zelzer, Siglinde, additional, Iberer, Florian, additional, and Stadlbauer, Vanessa, additional

Published
2013
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43. Reply

Author

Wagner, Doris, primary, Kniepeiss, Daniela, additional, Iberer, Florian, additional, Fahrleitner-Pammer, Astrid, additional, Kornprat, Peter, additional, and Tscheliessnigg, Karlheinz, additional

Published
2010
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45. Non-invasive cardiac allograft monitoring: the Graz experience

Author

Grasser, Barbara, primary, Iberer, Florian, additional, Schreier, Günter, additional, Schaffellner, Silvia, additional, Kleinert, Reinhold, additional, Prenner, Günther, additional, Kastner, Peter, additional, Hutten, Helmut, additional, and Tscheliessnigg, Karl-Heinz, additional

Published
2000
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46. Intramyocardial Electrogram Variability in the Monitoring of Graft Rejection After Heart Transplantation

Author

GRASSER, BARBARA, primary, IBERER, FLORIAN, additional, SCHREIER, GUNTER, additional, SCHAFFELLNER, SILVIA, additional, KASTNER, PETER, additional, PRENNER, GUNTHER, additional, HIPMAIR, GUNTHER, additional, WASLER, ANDRE, additional, PETUTSCHNIGG, BERTHOLD, additional, MULLER, HELMUT, additional, HUTTEN, HELMUT, additional, SCHALDACH, MAX, additional, and TSCHELIESSNIGG, KARLHEINZ, additional

Published
1998
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47. Definitions of cytomegalovirus disease after heart transplantation: Antigenemia as a marker for antiviral therapy

Author

Iberer, Florian, primary, Tscheliessnigg, Karlheinz, additional, Halwachs, Gabriele, additional, Rehak, Peter, additional, Wasler, Andre, additional, Petutschnigg, Berthold, additional, Schreier, Gunter, additional, Müller, Helmut, additional, Allmayer, Thomas, additional, Freigassner, Martina, additional, Prenner, Gunther, additional, Hipmair, Günther, additional, and Grasser, Barbara, additional

Published
1996
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48. Transplant International Thanks the Guest Editors.

Author

Berlakovich, Gabriela, Böhmig, George, Grimm, Michael, Iberer, Florian, Klauser, Renate, Oberbauer, Rainer, Säemann, Marcus, Soliman, Thomas, Steininger, Rudolf, Wisser, Wilfred, and Ziabinger, Gerhard

Subjects
TRANSPLANTATION of organs, tissues, etc., PERIODICALS, EDITORS, GRATITUDE, CONFERENCES & conventions
Abstract

The article presents the authors' gratitude to guest editors of the periodical "Transplant International." It appreciates the significant contribution of the guest editors for their critical help in the editorial processing of the papers submitted at the 11th Congress of the European Society for Organ Transplantation in Venice, Italy in 2003. All of these papers underwent the full review process and were critically evaluated by the Guest Editors.

Published
2004
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49. Immunohistochemical and radiological characterization of wound healing in porcine liver after radiofrequency ablation.

Author

Stadlbauer V, Lang-Olip I, Leber B, Mayrhauser U, Koestenbauer S, Tawdrous M, Moche M, Sereinigg M, Seider D, Iberer F, Wiederstein-Grasser I, Portugaller RH, and Stiegler P

Subjects
Animals, Apoptosis, Cell Proliferation, Heat Stress Disorders diagnostic imaging, Heat Stress Disorders pathology, Hepatic Stellate Cells diagnostic imaging, Hepatic Stellate Cells pathology, Hyperemia diagnostic imaging, Hyperemia pathology, Immunohistochemistry, Liver diagnostic imaging, Liver pathology, Myofibroblasts diagnostic imaging, Myofibroblasts pathology, Sus scrofa, Swine, Tomography, X-Ray Computed, Catheter Ablation, Liver injuries, Wound Healing
Abstract

Background: Radiofrequency ablation (RFA) is a minimal invasive therapeutic option for patients with hepatocellular carcinoma or liver metastases. We investigated RFA-induced cellular changes in the liver of pigs., Material and Methods: Healthy pigs (n=18) were sacrificed between day 0 and 3 months after RFA. The wound healing process was evaluated by computed tomography (CT), chromotrope anilinblue (CAB) staining of large-scale and standard tissue sections. Immunohistochemistry (IHC) for heat shock protein 70, Caspase-3, Ki67, Reelin, Vinculin, Vimentin and α-SMA was perfomed., Results: One day after RFA, CAB staining showed cell damage and massive hyperaemia. All IHC markers were predominantly expressed at the outer borders of the lesion, except Reelin, which was mainly detected in untreated liver regions. By staining for Hsp70, the heat stress during RFA was monitored, which was most distinct 1-2 days after RFA. CT revealed decreased lesion size after one week. Development of a Vimentin and α-SMA positive fibrotic capsule was observed., Conclusion: In the early phase signs of cell damage, apoptosis and proliferation are dominant. Reduced expression of Reelin suggests a minor role of hepatic stellate cells in the RFA zone. After one week myofibroblasts become prominent and contribute to the development of the fibrotic capsule. This elucidates the pathophysiology of RFA and could contribute to the future optimization of RFA procedures.

Published
2016
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50. Cell to cell interactions influence sensitivity of liver cell lines during hyperthermia.

Author

Mayrhauser U, Stiegler P, Stadlbauer V, Koestenbauer S, Leber B, Konrad K, Iberer F, and Tscheliessnigg K

Subjects
Carcinoma, Hepatocellular metabolism, Carcinoma, Hepatocellular therapy, Cell Proliferation, Cells, Cultured, Coculture Techniques, Fibrosis metabolism, Hepatic Stellate Cells metabolism, Humans, Liver Neoplasms metabolism, Liver Neoplasms therapy, Carcinoma, Hepatocellular pathology, Cell Communication, Fibrosis pathology, Hepatic Stellate Cells pathology, Hyperthermia, Induced, Liver Neoplasms pathology
Abstract

Background: Thermal cancer therapy is used for hepatocellular carcinoma treatment. In this study we investigated the effect of hyperthermia on liver cells and compared data of our different cell culture fibrosis models (transwell vs. co-culture model)., Materials and Methods: The cell lines HepG2 and LX-1 were seeded in different numbers in transwells to simulate different grades of fibrosis and then heated from 55°C to 85°C for different time spans. Thereafter, metabolic activity was measured., Results: Heating at 65°C showed that the greater the number of LX-1 cells treated together with HepG2 cells the lower the metabolic activity of HepG2 cells was. Compared to our previous co-culture study, there were significantly different results in cell survival from 55°C to 75°C., Conclusion: The co-culture fibrosis model is more physiological than the transwell model because it allows a higher seeding density and a higher degree of cell to cell interactions. Therefore, it is more efficient for investigating the effect of hyperthermia on liver cells.

Published
2011

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